Lyca

This page lists questions and answers that were posted by visitors named Lyca.

Questions

The following questions were asked by visitors named Lyca.

A bacterial population grows at a rate proportional to the population size at time t. Let y(t) be the population size at time t. By experiment it is determined that the population at t=15 min is 16000 and at t=45 min it is 22000. (a) What was the initial...

Calculate the change in pH if 10mL of 0.1M HCl is added to the buffer made by mixing 25 mL of 1.0 M CH3COOH and 25 mL of 0.5 M CH3COONa.

Answers

The following answers were posted by visitors named Lyca.

All spheres are connected to each other. For instance, plants (biosphere) grow in the ground (geosphere), but to survive they absorb water (hydrosphere) and carbon dioxide (atmosphere). Nor are plants merely absorbing: they also give back oxygen to the at...